213806414324 has 6 divisors (see below), whose sum is σ = 374161225074. Its totient is φ = 106903207160.

The previous prime is 213806414293. The next prime is 213806414359. The reversal of 213806414324 is 423414608312.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 202725062500 + 11081351824 = 450250^2 + 105268^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26725801787 + ... + 26725801794.

It is an arithmetic number, because the mean of its divisors is an integer number (62360204179).

Almost surely, 2^213806414324 is an apocalyptic number.

It is an amenable number.

213806414324 is a deficient number, since it is larger than the sum of its proper divisors (160354810750).

213806414324 is a wasteful number, since it uses less digits than its factorization.

213806414324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53451603585 (or 53451603583 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 213806414324 in words is "two hundred thirteen billion, eight hundred six million, four hundred fourteen thousand, three hundred twenty-four".